body, ol, ul, h1, h2, h3, h4, h5, h6, p, th, td, dl, dd, form, fieldset, legend, input, textarea, select {
    margin: 0;
    padding: 0
}

body {
    background-color: aliceblue;
    font-family: 微软雅黑;
}

a{
    text-decoration: none;
    color: black;
}

li{
    list-style-type: none;
}

a:visited{
    color: black;
}

.header {
    width: 100%;
    height: 72px;
    background-color: white;
    z-index: 900;
    box-shadow: 0 4px 8px 0 lightgrey;
}

.logo {
    height: 100%;
    width: auto;
    margin-left: 24px;
    float: left;
}

.nav li {
    float: left;
    line-height: 72px;
    list-style-type: none;
    margin-left: 45px;
}

.search {
    line-height: 30px;
    width: 300px;
    float: left;
    margin-left: 50px;
    margin-top: 20px;
}

.search-input {
    padding: 12px 0px;
    border: none;
    outline: none;
    width: 300px;
}

.flag a{
    background-color: #f3f5f7;
    width: auto;
    float: right;
    border-radius: 12px;
    font-size: 12px;
    color: grey;
    padding:0px 8px;
    z-index: 1;
    position: absolute;
    top: 20px;
    margin-left: 230px;
}

.flag-two a{
    background-color: #f3f5f7;
    width: auto;
    float: right;
    border-radius: 12px;
    font-size: 12px;
    color: grey;
    padding:0px 8px;
    z-index: 1;
    position: absolute;
    top: 20px;
    margin-left: 160px;
}

.search-line {
    height: 1px;
    background-color: lightgrey;
    width: 100%;
}

.nav-right{
    line-height: 72px;
    float: right;
    margin-right: 30px;

}

.span-regist a{
    float: right;
    font-size: 14px;
}

.span-regist a:hover{
    color: #ff0000;
}

.span-regist-line{
    float: right;
    margin-right: 12px;
    color: lightgrey;
}

.span-login a{
    float: right;
    font-size: 14px;
    margin-right: 16px;
}

.span-login a:hover{
    color: red;
}

.my-cart {
    border: 1px solid #e5e5e5;
    float: right;
    line-height: normal;
    padding: 8px 20px;
    border-radius: 20px;
    margin-top: 16px;
    margin-right: 20px;
    font-size: 14px;
}

.img-cart{
    width: 18px;
    height: 18px;
    vertical-align: middle;
    margin-right: 6px;
}

.my-cart:hover{
    color: red;
}

.span-download-app a{
    float: right;
    font-size: 14px;
    margin-right: 16px;
}

.span-download-app a:hover{
    color: red;
}

.cart-pop{
    width: 350px;
    min-height: 300px;
    position: absolute;
    top:70px;
    background-color: white;
    right: 140px;
    display: none;
    position: absolute;
    z-index: 200;
}

.cart-pop-title{
    height: 60px;
    width: 100%;
}

.cart-pop-title-left{
    font-size: 16px;
    line-height: 60px;
    margin-left: 20px;
    float: left;
}

.cart-pop-title-right{
    float: right;
    font-size: 12px;
    line-height: 60px;
    margin-right: 20px;
    color: gray;
}

.cart-pop-title-line{
    width: 94%;
    height: 1px;
    background-color: lightgrey;
    margin-left: 3%;
}

.cart-pop-circle-gouwuche{
    width: 60px;
    height: 60px;
    margin-top: 30px;
    margin-left: 145px;
}

.cart-pop-content-text-empty{
    text-align: center;
    margin-top: 20px;
    line-height: 20px;
    font-size: 14px;
}

.cart-pop-content-line{
    width: 50%;
    height: 1px;
    background-color: lightgrey;
    margin-left: 25%;
    margin-top: 20px;
}

.cart-pop-content-tip{
    font-size: 12px;
    color: gray;
    text-align: center;
    margin-top: 20px;
}


.cart-pop-content-project p{
    font-size: 12px;
    text-align: center;
    margin-top: 12px;
    color: lightpink;
    margin-top: 12px;
}

.cart-pop-content-project p:hover{
    color: red;
}

.cart-pop-foot-line{
    width: 94%;
    height: 1px;
    background-color: lightgrey;
    margin-left: 3%;
    margin-top: 30px;
}

.cart-pop-foot{
    width: 100%;
    height: 60px;
}

.cart-pop-foot-order-menu a{
    font-size: 12px;
    color: gray;
    margin-left: 20px;
    line-height: 60px;
}

.cart-pop-foot-order-menu a:hover{
    color: black;
}

.cart-pop-foot-btn{
    background-color: red;
    color: white;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 13px;
    float: right;
    margin-right: 20px;
    margin-top: 16px;
}

.cart-pop-foot-btn:hover{
    background-color: orangered;
}

.download-pop{
    width: 320px;
    min-height: 100px;
    position: absolute;
    top:70px;
    background-color: white;
    right: 260px;
    display: none;
    position: absolute;
    z-index: 200;
}

.download-erweima{
    width: 120px;
    height: 120px;
    margin: 20px;
    float: left;
}

.download-app-right{
    float: left;
}

.download-app-right-tip{
    font-size: 13px;
    color: gray;
    margin-top: 24px;
    margin-bottom: 16px;
}

.download-app-appstore{
    background-color: dimgrey;
    border-radius: 20px;
    padding: 10px 20px;
    color: white;
    font-size: 12px;
    margin-bottom: 20px;
}

.download-app-appstore:hover{
    background-color: black;
}

.download-app-android{
    background-color: dimgrey;
    border-radius: 20px;
    padding: 10px 20px;
    color: white;
    font-size: 12px;
}

.download-app-android:hover{
    background-color: black;
}

.download-app-appstore-img{
    width: 18px;
    height: 18px;
    vertical-align: middle;
    padding-bottom: 8px;
    padding-right: 8px;
}

.content{
    width: 1200px;
    margin: 0 auto;
    min-height: 500px;
}

.content-main{
    width: 100%;
    height: 500px;
    margin-top: 40px;
}

.content-main-left{
    width: 220px;
    height: 460px;
    background-color: #2b333b;
    float: left;
    /*border-radius: 10px 0px 0px 10px;*/
}

.content-main-right{
    width: 980px;
    height: 460px;
    background-color: yellow;
    float: left;
}

.content-main-left ul{
    margin-top: 20px;
    margin-left: 10px;
}

.content-main-left li{
    font-size: 16px;
    padding: 20px;
    color: gray;
}

.content-main-left li:hover{
    background-color: gray;
    color: white;
}

.arrow-right{
    width: 10px;
    height: 10px;
    float: right;
    margin-top: 5px;
}

.content-main-select-show{
    width: 800px;
    height:460px;
    background-color: white;
    z-index: 1;
    position: absolute;
    margin-left: 220px;
    box-shadow: 0 4px 8px 0 lightgrey;
    display: none;
}

.show-one-title{
    font-size: 13px;
    font-weight: bold;
    margin-left: 50px;
    position: absolute;
    top: 40px;
    float:left;
}

.show-one-line{
    width: 80%;
    height: 1px;
    background-color: #eeeeee;
    position: absolute;
    top: 50px;
    left:90px;
}

.show-one-content{
    margin-left: 20px;
    margin-top: 80px;
}

.show-one-content li{
    float: left;
    margin-left: 30px;
    font-size: 14px;
    color: black;
}

.content-main-select-show li:hover{
    color: red;;
}

.show-two-title{
    font-size: 13px;
    font-weight: bold;
    margin-left: 50px;
    position: absolute;
    top: 140px;
    float:left;
}

.show-two-line{
    width: 80%;
    height: 1px;
    background-color: #eeeeee;
    position: absolute;
    top: 150px;
    left:90px;
}

.show-three{
    width: 100%;
    height: 210px;
    position: absolute;
    bottom:0px;
    background-color: #f3f5f7;
}

.show-three-project{
    float: left;
    width: 50%;
    height:50%;
}




